Mid 17th century; earliest use found in Nicholas Culpeper (1616–1654), physician and astrologer. From post-classical Latin abomasus from classical Latin ab- + omāsus, altered form of omāsum.
Definition of abomasus in US English:
abomasus
nounˌabə(ʊ)ˈmeɪsəs
Zoology rare
Abomasum.
Origin
Mid 17th century; earliest use found in Nicholas Culpeper (1616–1654), physician and astrologer. From post-classical Latin abomasus from classical Latin ab- + omāsus, altered form of omāsum.